By Alumot Eugenia (auth.), Francis A. Gunther (eds.)

That residues of pesticide and different contaminants within the overall setting are of shock to all people all over is attested via the reception accorded earlier volumes of "Residue experiences" and via the pleasant enthusiasm, sincerity, and efforts proven through the entire in­ dividuals from whom manuscripts were solicited. regardless of a lot propaganda on the contrary, there can by no means be any severe query that pest-control chemical substances and food-additive chemical substances are necessary to sufficient nutrients construction, manufacture, advertising, and garage, but with no carrying on with surveillance and clever regulate a few of those who persist in our foodstuffs may every now and then conceivably endanger the general public healthiness. making sure safety-in-use of those many chemical compounds is a dynamic problem, for verified on es are continuously being dis­ positioned through newly constructed ones extra appropriate to nutrition tech­ nologists, pharmacologists, toxicologists, and altering pest-control specifications in innovative food-producing economies. those concerns are of actual obstacle to expanding numbers of govemmental enterprises and legislative our bodies. all over the world, for a few of these chemical substances have ended in a couple of mishaps from incorrect use. enough safety-in-use reviews of any of thesechemicals consistent with­ sisting into our foodstuffs usually are not basic issues, and so they contain the thought of judgments of lots of individuals hugely educated in a number of advanced organic, chemical, meals technological, scientific, pharmacological, and toxicological disciplines.

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Extra resources for Residue Reviews / Ruckstands-Berichte: Residues of Pesticides and Other Contaminants in the Total Environment/ Ruckstande von Pestiziden und anderen verunreinigenden Material in der gesamten Umwelt

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The aHatoxin extract used in this work contained 33 percent aHatoxins. /kg. of diet but lesions were also found in ducks kept three to six months after discontinuance of the toxic feed. The acute toxicity LD50 value for ducklings 24 days old was three times the value for ducklings three days old. According to BLOUNT et al. (1963) the Penine White duckling is not as susceptible as the Khaki Campbell duckling or, by inference, the Peking White duckling. 3. Turkeys. 85 mg. of aHatoxin Bdkg. of feed for six weeks.

M. DE SILVA, S. WIJESUNDERA, and C. H. S. R. BANDUNATHA: Coconut as a medium for the experimental production of aHatoxin. Applied Microbiol. 18, 88 (1969). ASHLEY, L. : Histopathology of rainbow trout aHatoxicosis. , Research Rept. 70, 103 (1967). AsHWORTH, L. , J. L. McMEANS, and C. M. BROWN: Imection of cotton by Aspergillus flavus: Epidemiology of the disease. J. Stored Prod. Research 5, 193 (1969). - - - - - - , B. R. HOUSTON, M. E. WHlTTEN, and C. M. BROWN: Fungal activity, free fatty acids, and aHatoxins in California cottonseed at harvest and during the seed reeeiving and storage season of 1967-1968.

Thus, the contamination appearing in the substrate below l surface contamination will depend on the depth of penetration by he fungus and additional diffusion of the toxin. ultures grown on other substrates are allowed to react with the food. rhe fungi used in these operations have been closely examined by he industry (DENAULT and UNDERKOFLER 1967). Similar studies were :onducted by Japanese investigators (MURAKAMI et al. 1968). These AHatoxins in food and feed 37 particular strains do not produce aHatoxin; occasionally wild toxinproducing strains contaminate the production strain in the "cottage industry" and a toxicity is observed.

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